The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 04, 1976

Filed:

Aug. 06, 1974
Applicant:
Inventors:

Jean-Claude Henri Hardouin, Chantilly, FR;

Maurice Rene Vallette, Precy-sur-Oise, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract

A concentrated phosphate solution of the base of a dyestuff of the Auramine series in a hydrophilic solvent (I), which solution is stable to storage and anhydrous; processes for the preparation of such a solution and use of such a solution for colouring paper or inks for flexography.


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Hardouin, Jean-Claude. (1976). Concentrated solution of a phosphate of a dyestuff of the auramine series (U.S. Patent No. 3954864). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3954864

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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